/*
 *  Copyright 2019 Alexey Andreev.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.teavm.backend.c.generate;

import java.util.HashSet;
import java.util.Set;

public class SimpleIncludeManager extends IncludeManager {
    private Set<String> includes = new HashSet<>();
    private CodeWriter writer;
    private CodeWriter emptyLine;

    public SimpleIncludeManager(FileNameProvider fileNames, CodeWriter writer) {
        super(fileNames);
        this.writer = writer.fragment();
        emptyLine = writer.fragment();
    }

    @Override
    public void addInclude(String include) {
        if (includes.add(include)) {
            if (includes.size() == 1) {
                emptyLine.println();
            }
            writer.println("#include " + include);
        }
    }
}
